'use strict';

angular.module('md5', [])
  .service('md5', [function($http) {
    var SparkMD5 = function(undefined) {
        "use strict";
        var add32 = function(a, b) {
            return a + b & 4294967295
        },
        hex_chr = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"];
        function cmn(q, a, b, x, s, t) {
            a = add32(add32(a, q), add32(x, t));
            return add32(a << s | a >>> 32 - s, b)
        }
        function ff(a, b, c, d, x, s, t) {
            return cmn(b & c | ~b & d, a, b, x, s, t)
        }
        function gg(a, b, c, d, x, s, t) {
            return cmn(b & d | c & ~d, a, b, x, s, t)
        }
        function hh(a, b, c, d, x, s, t) {
            return cmn(b ^ c ^ d, a, b, x, s, t)
        }
        function ii(a, b, c, d, x, s, t) {
            return cmn(c ^ (b | ~d), a, b, x, s, t)
        }
        function md5cycle(x, k) {
            var a = x[0],
            b = x[1],
            c = x[2],
            d = x[3];
            a = ff(a, b, c, d, k[0], 7, -680876936);
            d = ff(d, a, b, c, k[1], 12, -389564586);
            c = ff(c, d, a, b, k[2], 17, 606105819);
            b = ff(b, c, d, a, k[3], 22, -1044525330);
            a = ff(a, b, c, d, k[4], 7, -176418897);
            d = ff(d, a, b, c, k[5], 12, 1200080426);
            c = ff(c, d, a, b, k[6], 17, -1473231341);
            b = ff(b, c, d, a, k[7], 22, -45705983);
            a = ff(a, b, c, d, k[8], 7, 1770035416);
            d = ff(d, a, b, c, k[9], 12, -1958414417);
            c = ff(c, d, a, b, k[10], 17, -42063);
            b = ff(b, c, d, a, k[11], 22, -1990404162);
            a = ff(a, b, c, d, k[12], 7, 1804603682);
            d = ff(d, a, b, c, k[13], 12, -40341101);
            c = ff(c, d, a, b, k[14], 17, -1502002290);
            b = ff(b, c, d, a, k[15], 22, 1236535329);
            a = gg(a, b, c, d, k[1], 5, -165796510);
            d = gg(d, a, b, c, k[6], 9, -1069501632);
            c = gg(c, d, a, b, k[11], 14, 643717713);
            b = gg(b, c, d, a, k[0], 20, -373897302);
            a = gg(a, b, c, d, k[5], 5, -701558691);
            d = gg(d, a, b, c, k[10], 9, 38016083);
            c = gg(c, d, a, b, k[15], 14, -660478335);
            b = gg(b, c, d, a, k[4], 20, -405537848);
            a = gg(a, b, c, d, k[9], 5, 568446438);
            d = gg(d, a, b, c, k[14], 9, -1019803690);
            c = gg(c, d, a, b, k[3], 14, -187363961);
            b = gg(b, c, d, a, k[8], 20, 1163531501);
            a = gg(a, b, c, d, k[13], 5, -1444681467);
            d = gg(d, a, b, c, k[2], 9, -51403784);
            c = gg(c, d, a, b, k[7], 14, 1735328473);
            b = gg(b, c, d, a, k[12], 20, -1926607734);
            a = hh(a, b, c, d, k[5], 4, -378558);
            d = hh(d, a, b, c, k[8], 11, -2022574463);
            c = hh(c, d, a, b, k[11], 16, 1839030562);
            b = hh(b, c, d, a, k[14], 23, -35309556);
            a = hh(a, b, c, d, k[1], 4, -1530992060);
            d = hh(d, a, b, c, k[4], 11, 1272893353);
            c = hh(c, d, a, b, k[7], 16, -155497632);
            b = hh(b, c, d, a, k[10], 23, -1094730640);
            a = hh(a, b, c, d, k[13], 4, 681279174);
            d = hh(d, a, b, c, k[0], 11, -358537222);
            c = hh(c, d, a, b, k[3], 16, -722521979);
            b = hh(b, c, d, a, k[6], 23, 76029189);
            a = hh(a, b, c, d, k[9], 4, -640364487);
            d = hh(d, a, b, c, k[12], 11, -421815835);
            c = hh(c, d, a, b, k[15], 16, 530742520);
            b = hh(b, c, d, a, k[2], 23, -995338651);
            a = ii(a, b, c, d, k[0], 6, -198630844);
            d = ii(d, a, b, c, k[7], 10, 1126891415);
            c = ii(c, d, a, b, k[14], 15, -1416354905);
            b = ii(b, c, d, a, k[5], 21, -57434055);
            a = ii(a, b, c, d, k[12], 6, 1700485571);
            d = ii(d, a, b, c, k[3], 10, -1894986606);
            c = ii(c, d, a, b, k[10], 15, -1051523);
            b = ii(b, c, d, a, k[1], 21, -2054922799);
            a = ii(a, b, c, d, k[8], 6, 1873313359);
            d = ii(d, a, b, c, k[15], 10, -30611744);
            c = ii(c, d, a, b, k[6], 15, -1560198380);
            b = ii(b, c, d, a, k[13], 21, 1309151649);
            a = ii(a, b, c, d, k[4], 6, -145523070);
            d = ii(d, a, b, c, k[11], 10, -1120210379);
            c = ii(c, d, a, b, k[2], 15, 718787259);
            b = ii(b, c, d, a, k[9], 21, -343485551);
            x[0] = add32(a, x[0]);
            x[1] = add32(b, x[1]);
            x[2] = add32(c, x[2]);
            x[3] = add32(d, x[3])
        }
        function md5blk(s) {
            var md5blks = [],
            i;
            for (i = 0; i < 64; i += 4) {
                md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24)
            }
            return md5blks
        }
        function md5blk_array(a) {
            var md5blks = [],
            i;
            for (i = 0; i < 64; i += 4) {
                md5blks[i >> 2] = a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24)
            }
            return md5blks
        }
        function md51(s) {
            var n = s.length,
            state = [1732584193, -271733879, -1732584194, 271733878],
            i,
            length,
            tail,
            tmp,
            lo,
            hi;
            for (i = 64; i <= n; i += 64) {
                md5cycle(state, md5blk(s.substring(i - 64, i)))
            }
            s = s.substring(i - 64);
            length = s.length;
            tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
            for (i = 0; i < length; i += 1) {
                tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3)
            }
            tail[i >> 2] |= 128 << (i % 4 << 3);
            if (i > 55) {
                md5cycle(state, tail);
                for (i = 0; i < 16; i += 1) {
                    tail[i] = 0
                }
            }
            tmp = n * 8;
            tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
            lo = parseInt(tmp[2], 16);
            hi = parseInt(tmp[1], 16) || 0;
            tail[14] = lo;
            tail[15] = hi;
            md5cycle(state, tail);
            return state
        }
        function md51_array(a) {
            var n = a.length,
            state = [1732584193, -271733879, -1732584194, 271733878],
            i,
            length,
            tail,
            tmp,
            lo,
            hi;
            for (i = 64; i <= n; i += 64) {
                md5cycle(state, md5blk_array(a.subarray(i - 64, i)))
            }
            a = i - 64 < n ? a.subarray(i - 64) : new Uint8Array(0);
            length = a.length;
            tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
            for (i = 0; i < length; i += 1) {
                tail[i >> 2] |= a[i] << (i % 4 << 3)
            }
            tail[i >> 2] |= 128 << (i % 4 << 3);
            if (i > 55) {
                md5cycle(state, tail);
                for (i = 0; i < 16; i += 1) {
                    tail[i] = 0
                }
            }
            tmp = n * 8;
            tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
            lo = parseInt(tmp[2], 16);
            hi = parseInt(tmp[1], 16) || 0;
            tail[14] = lo;
            tail[15] = hi;
            md5cycle(state, tail);
            return state
        }
        function rhex(n) {
            var s = "",
            j;
            for (j = 0; j < 4; j += 1) {
                s += hex_chr[n >> j * 8 + 4 & 15] + hex_chr[n >> j * 8 & 15]
            }
            return s
        }
        function hex(x) {
            var i;
            for (i = 0; i < x.length; i += 1) {
                x[i] = rhex(x[i])
            }
            return x.join("")
        }
        if (hex(md51("hello")) !== "5d41402abc4b2a76b9719d911017c592") {
            add32 = function(x, y) {
                var lsw = (x & 65535) + (y & 65535),
                msw = (x >> 16) + (y >> 16) + (lsw >> 16);
                return msw << 16 | lsw & 65535
            }
        }
        if (typeof ArrayBuffer !== "undefined" && !ArrayBuffer.prototype.slice) { (function() {
                function clamp(val, length) {
                    val = val | 0 || 0;
                    if (val < 0) {
                        return Math.max(val + length, 0)
                    }
                    return Math.min(val, length)
                }
                ArrayBuffer.prototype.slice = function(from, to) {
                    var length = this.byteLength,
                    begin = clamp(from, length),
                    end = length,
                    num,
                    target,
                    targetArray,
                    sourceArray;
                    if (to !== undefined) {
                        end = clamp(to, length)
                    }
                    if (begin > end) {
                        return new ArrayBuffer(0)
                    }
                    num = end - begin;
                    target = new ArrayBuffer(num);
                    targetArray = new Uint8Array(target);
                    sourceArray = new Uint8Array(this, begin, num);
                    targetArray.set(sourceArray);
                    return target
                }
            })()
        }
        function toUtf8(str) {
            if (/[\u0080-\uFFFF]/.test(str)) {
                str = unescape(encodeURIComponent(str))
            }
            return str
        }
        function utf8Str2ArrayBuffer(str, returnUInt8Array) {
            var length = str.length,
            buff = new ArrayBuffer(length),
            arr = new Uint8Array(buff),
            i;
            for (i = 0; i < length; i += 1) {
                arr[i] = str.charCodeAt(i)
            }
            return returnUInt8Array ? arr: buff
        }
        function arrayBuffer2Utf8Str(buff) {
            return String.fromCharCode.apply(null, new Uint8Array(buff))
        }
        function concatenateArrayBuffers(first, second, returnUInt8Array) {
            var result = new Uint8Array(first.byteLength + second.byteLength);
            result.set(new Uint8Array(first));
            result.set(new Uint8Array(second), first.byteLength);
            return returnUInt8Array ? result: result.buffer
        }
        function hexToBinaryString(hex) {
            var bytes = [],
            length = hex.length,
            x;
            for (x = 0; x < length - 1; x += 2) {
                bytes.push(parseInt(hex.substr(x, 2), 16))
            }
            return String.fromCharCode.apply(String, bytes)
        }
        function SparkMD5() {
            this.reset()
        }
        SparkMD5.prototype.append = function(str) {
            this.appendBinary(toUtf8(str));
            return this
        };
        SparkMD5.prototype.appendBinary = function(contents) {
            this._buff += contents;
            this._length += contents.length;
            var length = this._buff.length,
            i;
            for (i = 64; i <= length; i += 64) {
                md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)))
            }
            this._buff = this._buff.substring(i - 64);
            return this
        };
        SparkMD5.prototype.end = function(raw) {
            var buff = this._buff,
            length = buff.length,
            i, tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
            ret;
            for (i = 0; i < length; i += 1) {
                tail[i >> 2] |= buff.charCodeAt(i) << (i % 4 << 3)
            }
            this._finish(tail, length);
            ret = hex(this._hash);
            if (raw) {
                ret = hexToBinaryString(ret)
            }
            this.reset();
            return ret
        };
        SparkMD5.prototype.reset = function() {
            this._buff = "";
            this._length = 0;
            this._hash = [1732584193, -271733879, -1732584194, 271733878];
            return this
        };
        SparkMD5.prototype.getState = function() {
            return {
                buff: this._buff,
                length: this._length,
                hash: this._hash
            }
        };
        SparkMD5.prototype.setState = function(state) {
            this._buff = state.buff;
            this._length = state.length;
            this._hash = state.hash;
            return this
        };
        SparkMD5.prototype.destroy = function() {
            delete this._hash;
            delete this._buff;
            delete this._length
        };
        SparkMD5.prototype._finish = function(tail, length) {
            var i = length,
            tmp, lo, hi;
            tail[i >> 2] |= 128 << (i % 4 << 3);
            if (i > 55) {
                md5cycle(this._hash, tail);
                for (i = 0; i < 16; i += 1) {
                    tail[i] = 0
                }
            }
            tmp = this._length * 8;
            tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
            lo = parseInt(tmp[2], 16);
            hi = parseInt(tmp[1], 16) || 0;
            tail[14] = lo;
            tail[15] = hi;
            md5cycle(this._hash, tail)
        };
        SparkMD5.hash = function(str, raw) {
            return SparkMD5.hashBinary(toUtf8(str), raw)
        };
        SparkMD5.hashBinary = function(content, raw) {
            var hash = md51(content),
            ret = hex(hash);
            return raw ? hexToBinaryString(ret) : ret
        };
        SparkMD5.ArrayBuffer = function() {
            this.reset()
        };
        SparkMD5.ArrayBuffer.prototype.append = function(arr) {
            var buff = concatenateArrayBuffers(this._buff.buffer, arr, true),
            length = buff.length,
            i;
            this._length += arr.byteLength;
            for (i = 64; i <= length; i += 64) {
                md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)))
            }
            this._buff = i - 64 < length ? new Uint8Array(buff.buffer.slice(i - 64)) : new Uint8Array(0);
            return this
        };
        SparkMD5.ArrayBuffer.prototype.end = function(raw) {
            var buff = this._buff,
            length = buff.length,
            tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
            i,
            ret;
            for (i = 0; i < length; i += 1) {
                tail[i >> 2] |= buff[i] << (i % 4 << 3)
            }
            this._finish(tail, length);
            ret = hex(this._hash);
            if (raw) {
                ret = hexToBinaryString(ret)
            }
            this.reset();
            return ret
        };
        SparkMD5.ArrayBuffer.prototype.reset = function() {
            this._buff = new Uint8Array(0);
            this._length = 0;
            this._hash = [1732584193, -271733879, -1732584194, 271733878];
            return this
        };
        SparkMD5.ArrayBuffer.prototype.getState = function() {
            var state = SparkMD5.prototype.getState.call(this);
            state.buff = arrayBuffer2Utf8Str(state.buff);
            return state
        };
        SparkMD5.ArrayBuffer.prototype.setState = function(state) {
            state.buff = utf8Str2ArrayBuffer(state.buff, true);
            return SparkMD5.prototype.setState.call(this, state)
        };
        SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;
        SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;
        SparkMD5.ArrayBuffer.hash = function(arr, raw) {
            var hash = md51_array(new Uint8Array(arr)),
            ret = hex(hash);
            return raw ? hexToBinaryString(ret) : ret
        };
        return SparkMD5
    }

    this.SparkMD5 = new SparkMD5();
    
  }]);
